National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Greenville (KGNR)

Lat: 45.46°NLon: 69.55°WElev: 1394ft.

53°F

12°C

Humidity 80%
Wind Speed Calm
Barometer 29.87 in (1012.0 mb)
Dewpoint 47°F (8°C)
Visibility NA
Last update 15 May 8:56 pm EDT
Extended Forecast for

Greenville ME

  • Tonight

    Tonight: Partly cloudy, with a low around 45. Light and variable wind.

    Low: 45 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 70. West wind 7 to 11 mph, with gusts as high as 22 mph.

    High: 70 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A slight chance of showers after 11pm. Mostly cloudy, with a low around 53. Southwest wind 6 to 8 mph. Chance of precipitation is 20%.

    Low: 53 °F

    Slight Chance
    Showers

  • Sunday

    Sunday: Mostly sunny, with a high near 66. Northwest wind 14 to 17 mph, with gusts as high as 32 mph.

    High: 66 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 38. Northwest wind 6 to 10 mph, with gusts as high as 20 mph.

    Low: 38 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 68. Light and variable wind becoming southwest around 6 mph in the afternoon.

    High: 68 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 48. South wind 3 to 6 mph. Winds could gust as high as 16 mph.

    Low: 48 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A chance of showers before 2pm, then a chance of showers and thunderstorms between 2pm and 4pm, then showers likely and possibly a thunderstorm after 4pm. Partly sunny, with a high near 77. Chance of precipitation is 60%.

    High: 77 °F

    Slight Chance
    Showers then
    Showers
    Likely

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm before 8pm, then a chance of showers. Mostly cloudy, with a low around 54. Chance of precipitation is 60%.

    Low: 54 °F

    Showers
    Likely

Detailed Forecast

Tonight
Partly cloudy, with a low around 45. Light and variable wind.
Saturday
Mostly sunny, with a high near 70. West wind 7 to 11 mph, with gusts as high as 22 mph.
Saturday Night
A slight chance of showers after 11pm. Mostly cloudy, with a low around 53. Southwest wind 6 to 8 mph. Chance of precipitation is 20%.
Sunday
Mostly sunny, with a high near 66. Northwest wind 14 to 17 mph, with gusts as high as 32 mph.
Sunday Night
Mostly clear, with a low around 38. Northwest wind 6 to 10 mph, with gusts as high as 20 mph.
Monday
Mostly sunny, with a high near 68. Light and variable wind becoming southwest around 6 mph in the afternoon.
Monday Night
Partly cloudy, with a low around 48. South wind 3 to 6 mph. Winds could gust as high as 16 mph.
Tuesday
A chance of showers before 2pm, then a chance of showers and thunderstorms between 2pm and 4pm, then showers likely and possibly a thunderstorm after 4pm. Partly sunny, with a high near 77. Chance of precipitation is 60%.
Tuesday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers. Mostly cloudy, with a low around 54. Chance of precipitation is 60%.
Wednesday
Showers likely, mainly after noon. Mostly cloudy, with a high near 71. Chance of precipitation is 60%.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 45. Chance of precipitation is 30%.
Thursday
Mostly sunny, with a high near 57.
Thursday Night
Partly cloudy, with a low around 40.
Friday
Sunny, with a high near 57.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Greenville ME
 45.47°N 69.58°W (Elev. 1178 ft)
Last Update:
7:56 pm EDT May 15, 2026
Forecast Valid:
9pm EDT May 15, 2026-6pm EDT May 22, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation